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https://www.readbyqxmd.com/read/29643550/evaluation-of-performance-of-streamlined-liner-of-the-pharynx-airway%C3%A2-laryngeal-mask-airway-proseal-and-endotracheal-tube-in-prone-position-a-prospective-randomised-study
#1
Harihar Vishwanath Hegde, Joshiraj Bandi, Mahantesh S Mudakanagoudar, Kiran A Honnannavar
Background and Aims: Airway used in prone position should be efficacious and safe. The Streamlined Liner of the Pharynx Airway (SLIPA™) and Laryngeal Mask Airway-ProSeal (PLMA) provide better airway seal and protection against aspiration. We planned to evaluate the performance of SLIPA™, PLMA and endotracheal tube (ETT) in prone position. Methods: 114 adult patients undergoing elective surgery in prone position under general anaesthesia were randomised into Group-T (ETT), Group-S (SLIPA™) and Group-P (PLMA)...
March 2018: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/29628566/comparison-of-the-laryngeal-mask-airways-laryngeal-mask-airway-classic-and-laryngeal-mask-airway-proseal-in-children
#2
Chetan B Bhat, Kiran A Honnannavar, Mallanna B Police Patil, Mahantesh S Mudakanagoudar
Introduction: In the past 25 years with the development of various supraglottic airway devices, the armamentarium for airway management has increased. In our study, the laryngeal mask airway (LMA)-ProSeal is compared with the LMA-Classic with respect to as follows: (a) Ease of insertion and number of insertion attempts, (b) Device positional stability and possible oropharyngeal leak, (c) Airway trauma, and (d) Hemodynamic changes; in children aged 3-15 years undergoing elective surgery under general anesthesia, hypothesizing that these would be different...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29625596/comparative-bench-study-evaluation-of-different-infant-interfaces-for-non-invasive-ventilation
#3
Giorgio Conti, Giorgia Spinazzola, Cesare Gregoretti, Giuliano Ferrone, Andrea Cortegiani, Olimpia Festa, Marco Piastra, Luca Tortorolo, Roberta Costa
BACKGROUND: To compare, in terms of patient-ventilator interaction and performance, a new nasal mask (Respireo, AirLiquide, FR) with the Endotracheal tube (ET) and a commonly used nasal mask (FPM, Fisher and Paykel, NZ) for delivering Pressure Support Ventilation (PSV) in an infant model of Acute Respiratory Failure (ARF). METHODS: An active test lung (ASL 5000) connected to an infant mannequin through 3 different interfaces (Respireo, ET and FPM), was ventilated with a standard ICU ventilator set in PSV...
April 7, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29589419/influence-of-head-and-neck-position-on-performance-of-the-ambu%C3%A2-auragaintm-laryngeal-mask-a-randomised-crossover-study
#4
Seokha Yoo, Sun-Kyung Park, Won Ho Kim, Min Hur, Jae-Hyon Bahk, Young-Jin Lim, Jin-Tae Kim
BACKGROUND: The purpose of this study was to investigate the influence of different head and neck positions on the performance of the Ambu® AuraGainTM, a novel laryngeal mask with anatomical curvature. METHODS: Oropharyngeal leak pressure, expiratory tidal volume, peak inspiratory pressure, ventilation score, and fibreoptic view score through the AuraGainTM were measured in the neutral, flexed, and extended neck positions as well as the right rotated head and neck position in each patient in a random order...
March 27, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29576128/non-invasive-positive-pressure-ventilation-with-positive-end-expiratory-pressure-counteracts-inward-air-leaks-during-preoxygenation-a-randomised-crossover-controlled-study-in-healthy-volunteers
#5
J-L Hanouz, F Le Gall, J-L Gérard, N Terzi, H Normand
BACKGROUND: During preoxygenation, the lack of tight fit between the mask and the patient's face results in inward air leak preventing effective preoxygenation. We hypothesized that non-invasive positive-pressure ventilation and positive end-expiratory pressure (PEEP) could counteract inward air leak. METHODS: Healthy volunteers were randomly assigned to preoxygenated through spontaneous breathing without leak (SB), spontaneous breathing with a calibrated air leak (T-shaped piece between the mouth and the breathing system; SB-leak), or non-invasive positive inspiratory pressure ventilation (inspiratory support +6 cm H2 O; PEEP +5 cm H2 O) with calibrated leak (PPV-leak)...
April 2018: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29553480/real-time-chest-wall-motion-tracking-by-a-single-optical-fibre-grating-a-prospective-method-for-ventilator-triggering
#6
Marija D Ivanovic, Jovana Petrovic, Andrej Savic, Goran Gligoric, Marjan Miletic, Miodrag Vukcevic, Bosko Bojovic, Ljupco Hadzievski, Tom D P Allsop, David J Webb
The ventilators involved in non-invasive mechanical ventilation commonly provide ventilator support via a facemask. The interface of the mask with a patient promotes air leaks that cause errors in the feedback information provided by a pneumatic sensor and hence patient-ventilator asynchrony with multiple negative consequences. Our objective is to test the possibility of using chest-wall motion measured by an optical fibre-grating sensor as a more accurate non-invasive ventilator triggering mechanism.
 Approach: The basic premise of our approach is that the measurement accuracy can be improved by using a triggering signal that precedes pneumatic triggering in the neuro-ventilatory coupling sequence...
March 19, 2018: Physiological Measurement
https://www.readbyqxmd.com/read/29491514/comparison-of-the-proseal-laryngeal-mask-airway-with-the-i-gel%C3%A2-in-the-different-head-and-neck-positions-in-anaesthetised-paralysed-children-a-randomised-controlled-trial
#7
Gargi Banerjee, Divya Jain, Indu Bala, Komal Gandhi, Ram Samujh
Background and Aims: Head and neck movements alter the shape of the pharynx, resulting in changes in the oropharyngeal leaking pressures and ventilation with supragottic airway devices. We compared the effect of the different head-and-neck positions on the oropharyngeal leak pressures and ventilation with the I-Gel™ and ProSeal™ laryngeal mask airway (PLMA) in anaesthetised paralysed children. Methods: A total of 70 children were randomly assigned to receive PLMA ( n = 35) or I-Gel™ ( n = 35) for airway management...
February 2018: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/29487038/a-flow-leak-correction-algorithm-for-pneumotachographic-work-of-breathing-measurement-during-high-flow-nasal-cannula-oxygen-therapy
#8
Francesco Montecchia, Fabio Midulla, Paola Papoff
Measuring work of breathing (WOB) is an intricate task during high-flow nasal cannula (HFNC) therapy because the continuous unidirectional flow toward the patient makes pneumotachography technically difficult to use. We implemented a new method for measuring WOB based on a differential pneumotachography (DP) system, equipped with one pneumotachograph inserted in the HFNC circuit and another connected to a monitoring facemask, combined with a leak correction algorithm (LCA) that corrects flow measurement errors arising from leakage around the monitoring facemask...
February 24, 2018: Medical Engineering & Physics
https://www.readbyqxmd.com/read/29441173/a-comparison-of-i-gel%C3%A2-and-laryngeal-mask-airway-supreme%C3%A2-during-general-anesthesia-in-infants
#9
Yoon Chan Lee, Kyoung Seop Yoon, Sang Yoong Park, So Ron Choi, Chan Jong Chung
Background: The i-gel™ (i-gel) and Laryngeal Mask Airway Supreme™ (LMA Supreme) have been safely used in children. We compared the airway performance of the i-gel and LMA Supreme in infants undergoing general anesthesia. Methods: Sixty infants with American Society of Anesthesiologists physical status I or II were randomly assigned to place either the i-gel or the LMA Supreme. The size 1 or 1.5 of each airway was selected by the weight of infants. The primary outcome variable was oropharyngeal leak pressure (OLP)...
February 2018: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/29425575/effect-of-a-patient-engagement-tool-on-positive-airway-pressure-adherence-analysis-of-a-german-healthcare-provider-database
#10
Holger Woehrle, Michael Arzt, Andrea Graml, Ingo Fietze, Peter Young, Helmut Teschler, Joachim H Ficker
OBJECTIVE/BACKGROUND: This study investigated the addition of a real-time feedback patient engagement tool on positive airway pressure (PAP) adherence when added to a proactive telemedicine strategy. PATIENTS/METHODS: Data from a German healthcare provider (ResMed Healthcare Germany) were retrospectively analyzed. Patients who first started PAP therapy between 1 September 2009 and 30 April 2014, and were managed using telemedicine (AirView™; proactive care) or telemedicine + patient engagement tool (AirView™ + myAir™; patient engagement) were eligible...
January 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29422335/comparison-of-three-continuous-positive-airway-pressure-cpap-interfaces-in-healthy-beagle-dogs-during-medetomidine-propofol-constant-rate-infusions
#11
Carolina Meira, Fabiola B Joerger, Annette P N Kutter, Andreas Waldmann, Simone K Ringer, Stephan H Böehm, Samuel Iff, Martina Mosing
OBJECTIVE: To compare the efficacy of three continuous positive airway pressure (CPAP) interfaces in dogs on gas exchange, lung volumes, amount of leak during CPAP and rebreathing in case of equipment failure or disconnection. STUDY DESIGN: Randomized, prospective, crossover, experimental trial. ANIMALS: Ten purpose-bred Beagle dogs. METHODS: Dogs were in dorsal recumbency during medetomidine-propofol constant rate infusions, breathing room air...
December 5, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29317750/exhaled-air-dispersion-during-bag-mask-ventilation-and-sputum-suctioning-implications-for-infection-control
#12
Matthew T V Chan, Benny K Chow, Thomas Lo, Fanny W Ko, Susanna S Ng, Tony Gin, David S Hui
Mask ventilation and coughing during oro-tracheal suctioning produce aerosols that enhance nosocomial transmission of respiratory infections. We examined the extent of exhaled air dispersion from a human-patient-simulator during mask ventilation by different groups of healthcare workers and coughing bouts. The simulator was programmed to mimic varying severity of lung injury. Exhaled airflow was marked with tiny smoke particles, and highlighted by laser light-sheet. We determined the normalized exhaled air concentration in the leakage jet plume from the light scattered by smoke particles...
January 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29208322/face-mask-leak-with-nasal-cannula-during-noninvasive-positive-pressure-ventilation-a-randomized-crossover-trial
#13
Derek J Brown, Stephen M Carroll, Michael D April
BACKGROUND: Nasal cannula can achieve apneic oxygenation during emergency intubation. However, pre-procedure nasal cannula placement may be difficult in patients undergoing non-invasive positive pressure ventilation (NPPV) prior to intubation. Our objective was to compare mask leak during NPPV with versus without simultaneous application of nasal cannula. We hypothesized mask leak would be no worse with concomitant use of nasal cannula (non-inferiority design). METHODS: We performed a randomized crossover non-inferiority study of healthy volunteers...
December 2, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29198305/comparing-the-efficacy-mask-leak-patient-adherence-and-patient-preference-of-three-different-cpap-interfaces-to-treat-moderate-severe-obstructive-sleep-apnea
#14
Sharn Rowland, Vinod Aiyappan, Cathy Hennessy, Peter Catcheside, Ching Li Chai-Coezter, R Doug McEvoy, Nick A Antic
STUDY OBJECTIVES: To determine if the type of continuous positive airway pressure (CPAP) mask interface influences CPAP treatment efficacy, adherence, side effects, comfort and sleep quality in patients with moderate-severe obstructive sleep apnea (OSA). METHODS: This took place in a hospital-based tertiary sleep disorders unit. It is a prospective, randomized, crossover trial comparing three CPAP interfaces: nasal mask (NM), nasal mask plus chinstrap (NM-CS) and oronasal mask (ONM) each tried in random order, for 4 weeks...
January 15, 2018: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29191811/neonatal-mannequin-comparison-of-the-upright-self-inflating-bag-and-snap-fit-mask-versus-standard-resuscitators-and-masks-leak-applied-load-and-tidal-volumes
#15
Anthony Richard Rafferty, Lucy Johnson, Peter G Davis, Jennifer Anne Dawson, Marta Thio, Louise S Owen
OBJECTIVE: Neonatal mask ventilation is a difficult skill to acquire and maintain. Mask leak is common and can lead to ineffective ventilation. The aim of this study was to determine whether newly available neonatal self-inflating bags and masks could reduce mask leak without additional load being applied to the face. DESIGN: Forty operators delivered 1 min episodes of mask ventilation to a mannequin using the Laerdal Upright Resuscitator, a standard Laerdal infant resuscitator (Laerdal Medical) and a T-Piece Resuscitator (Neopuff), using both the Laerdal snap-fit face mask and the standard Laerdal size 0/1 face mask (equivalent sizes)...
November 30, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/29152934/a-prospective-randomised-trial-of-the-ambu-auragain-laryngeal-mask-versus-the-lma-protector-airway-in-paralysed-anaesthetised-adult-men
#16
Berthold Moser, Laurent Audigé, Christian Keller, Joseph Brimacombe, Lukas Gasteiger, Heinz R Bruppacher
BACKGROUND: We hypothesise that oropharyngeal leak pressures differ between the LMA® ProtectorTM and the AuraGainTM, two novel supraglottic airway devices offering the possibility of intubation. METHODS: 98 male patients ASAI-II were randomly assigned to the AuraGainTM or ProtectorTM group. Oropharyngeal leak pressure was measured by incrementing cuff volume in 10 ml steps from 10 ml to 40 ml. The primary outcome was oropharyngeal leak pressure at 40 ml cuff volume...
November 17, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29089172/preoxygenation-with-flush-rate-oxygen-comparing-the-nonrebreather-mask-with-the-bag-valve-mask
#17
Brian E Driver, Lauren R Klein, Krista Carlson, Justin Harrington, Robert F Reardon, Matthew E Prekker
STUDY OBJECTIVE: Nonrebreather masks and bag-valve masks are used for preoxygenation before emergency intubation. Flush rate oxygen delivered with a nonrebreather mask is noninferior to bag-valve mask oxygen at 15 L/min. We seek to compare the nonrebreather mask with flush rate oxygen to a bag-valve mask with flush rate oxygen (with and without inspiratory assistance) and determine whether the efficacy of bag-valve mask with flush rate oxygen is compromised by a simulated mask leak. METHODS: We conducted 2 prospective studies in healthy, adult volunteers...
March 2018: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/29073915/emt-led-laryngeal-tube-vs-face-mask-ventilation-during-cardiopulmonary-resuscitation-a-multicenter-prospective-randomized-trial
#18
Anna Fiala, Wolfgang Lederer, Agnes Neumayr, Tamara Egger, Sabrina Neururer, Ernst Toferer, Michael Baubin, Peter Paal
BACKGROUND: Laryngeal tube (LT) application by rescue personnel as an alternate airway during the early stages of out-of-hospital cardiac arrest (OHCA) is still subject of debate. We evaluated ease of handling and efficacy of ventilation administered by emergency medical technicians (EMTs) using LT and bag-valve-mask (BVM) during cardiopulmonary resuscitation of patients with OHCA. METHODS: An open prospective randomized multicenter study was conducted at six emergency medical services centers over 18 months...
October 26, 2017: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/29073266/effect-of-a-short-training-on-neonatal-face-mask-ventilation-performance-in-a-low-resource-setting
#19
Alessandro Mazza, Francesco Cavallin, Anita Cappellari, Antuan Divisic, Ivana Grbin, Jean Akakpo, Abdou Razak Moukaila, Daniele Trevisanuto
BACKGROUND: We assessed whether a short training, effective in a high resource country, was able to improve the quality of face-mask ventilation (FMV) in a low resource setting. METHODS: Local healthcare providers at the Centre Médico-Social, Kouvè, Togo were asked to ventilate a neonatal leak-free manikin before (time-t1) and after (t2) a two-minute training session. Immediately after this section, a further two-minute training with participants aware of the data monitor was offered...
2017: PloS One
https://www.readbyqxmd.com/read/29060706/development-of-respiratory-function-monitor-for-neonates
#20
Fumihiko Takatori, Shinichiro Inoue, Satoru Togo, Shinji Yamamori
Approximately, 10 million babies do not breathe immediately at birth and some of them require positive pressure ventilation. However, inappropriate and excessive tidal volume delivery could lead to lung injury in neonatal patients. We developed a respiratory function monitor which can monitor mask leak, expiratory tidal volume, respiratory rate, peak inspiratory pressure, and end-tidal CO2 on a real-time basis. A neonatal flow sensor was specially designed and was integrated with a small mainstream capnometer, cap-ONE...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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